144D:
reference: Minor groove binding of SN6999 to an alkylated DNA: molecular structure of d(CGC[e6G]AATTCGCG)-SN6999 complex., Gao YG, Sriram M, Denny WA, Wang AH, Biochemistry 1993 Sep 21;32(37):9639-48. PMID: 8373768

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